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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

38 lines
925 B
LLVM

; RUN: opt < %s -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s
; This test checks that the SimplifyCFG pass won't duplicate a call to a
; function marked noduplicate.
;
; CHECK-LABEL: @noduplicate
; CHECK: call void @barrier
; CHECK-NOT: call void @barrier
define void @noduplicate(i32 %cond, ptr %out) {
entry:
%out1 = getelementptr i32, ptr %out, i32 1
%out2 = getelementptr i32, ptr %out, i32 2
%cmp = icmp eq i32 %cond, 0
br i1 %cmp, label %if.then, label %if.end
if.then:
store i32 5, ptr %out
br label %if.end
if.end:
call void @barrier() #0
br i1 %cmp, label %cond.end, label %cond.false
cond.false:
store i32 5, ptr %out1
br label %cond.end
cond.end:
%value = phi i32 [ 1, %cond.false ], [ 0, %if.end ]
store i32 %value, ptr %out2
ret void
}
; Function Attrs: noduplicate nounwind
declare void @barrier() #0
attributes #0 = { noduplicate nounwind }